一个人如果吃不好，就无法好好思考、好好去爱、好好休息。

The less secure a man is, the more likely he is to have extreme prejudice.

模型的唯一真正检验是其预测未来的能力，而未来总是不确定的。

Human beings, viewed as behaving systems, are quite simple. The apparent complexity of our behavior over time is largely a reflection of the complexity of the environment in which we find ourselves.